Loss analysis and design method for high efficiency matrix converter
Loss analysis and design method for high efficiency matrix converter
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DOI：
10.1109/ipec.2014.6869713
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发表时间：
2014-05
期刊：
影响因子：
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通讯作者：
K. Koiwa;Goh Teck Chiang;J. Itoh
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文献类型：
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作者：
K. Koiwa;Goh Teck Chiang;J. Itoh
讨论了矩阵变流器实现高效率、高功率密度的损耗分析公式。本文基于虚拟交-直-交控制方法，从理论上推导了矩阵变流器的导通损耗和开关损耗。并在仿真和实验中验证了方程的正确性。实验结果表明，在额定功率下，两相调制的最大效率为97.9%(器件：MOSFET R6046FNZ)。此外，还证实了计算结果与实验结果之间的总损耗误差为8.65%。最后用Pareto前沿曲线讨论了效率与功率密度之间的关系。功率密度由开关器件、散热器、输入电感和滤波电容的体积计算得出。结果表明，当开关频率为85 kHz时，矩阵变流器的效率为97.0%，最大功率密度为9.7kW/dm~3。
This paper discusses loss analysis formulas to achieve high efficiency and high power density for matrix converter. In this paper, the conduction loss and the switching loss of the matrix converter are derived theoretically based on virtual AC-DC-AC control method. Then, the validity of the equations is confirmed in simulation and experiment. From the experimental results, the maximum efficiency is 97.9% with 2-phase modulation at rated power (Devices: MOSFET R6046FNZ). In addition, it is confirmed that the total loss error between the calculation and experimental result is 8.65%. Finally, the relationship between the efficiency and power density is discussed by a pareto front curve. The power density is calculated from the volume of the switching device, heat-sink, input inductor and filter capacitor. As the result, the efficiency and maximum power density in the matrix converter are 97.0% and 9.7 kW/dm3 when the switching frequency is set to 85 kHz.